How To Measure Trolling Motor Prop Size?

This is the first thing. Determine the year, brand, model and power of the motor. There are two things. If you measure from the center of the shaft hole to the tip of the blade, you’ll get the diameter of the propeller.

What is the difference between 2 blade and 3 blade trolling motor prop?

The 3-blades give better acceleration, quicker maneuvering and greater top speed. The 2-blade has a longer battery life than the single blade. The 2-blade will offer more range than any other blade.

Are all trolling motor props the same?

Selecting a prop that matches your needs is more important than figuring out which size is compatible with your motor. The MotorGuide Prop Nut Kit is used for all props. MotorGuide’s props and strengths are listed below.

Can you put a bigger prop on a trolling motor?

It’s possible to put a bigger prop on the motor. Don’t sit still, you’re looking to troll. It’s important to get the right size prop. If you want to use a bigger prop, make sure you use the correct size.


Does more propeller blades mean more thrust?

As more blades are added, the efficiency of a propeller will go down. As engine power increases, more blades are needed to efficiently use it.

Is a 3-blade prop faster than a 2 blade?

If you have to power in to a current every now and then, a 3 or 4 blade is the better choice. They can keep your boat speed up to 30% better than the two blade because of the heavy winds and seas that they have.

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Why is a 3-blade prop faster?

The 3-blade propeller has less drag compared to the 4-blade propeller. The water has less surface area, which means less resistance and less work needed to propel the boat.

How do I choose a prop for my boat motor?

The boat will move slower if the lower pitched propeller is in use. A higher pitched prop allows the boat to travel farther away from the shore. The engine’s recommended operating range should be kept in mind when selecting a propeller.

How deep do you want your trolling motor?

6 inches of water above the blades is what the trolly motor’s ideal propeller should keep. The centerline of the motor and prop shaft should be at least 12 to 18 inches below the waterline.

Is a larger diameter prop better?

The diameter of the propellers is usually increased or decreased for slower and heavier boats. The total blade area of a prop with more diameter allows it to handle more power and create more thrust to move a heavy boat.

What is the best position to mount a trolling motor?

The centerline of the boat is where the shaft should be positioned. The shaft and propeller can be off-center, which can cause issues when using a trolly motor. The motor can deploy and clear the bow if the mount is positioned correctly.

How long will a 55lb trolling motor last?

The battery’s Amp-Hour rating is a factor in the runtime. The 55lb thrust motor has a 50ah battery that can run for an hour.

How fast will a 40 lb thrust trolling motor go?

3.5 miles per hour is the speed of a 36, 46 or 40lb thrust troll motor on a 7.5-foot boat with a 200 pound load on quiet water. 4 miles per hour is achieved by a 55lb thrust trolly motor. A 62lb thrust motor can travel 4.5 miles per hour.

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Is a 55lb trolling motor enough?

You’re definitely looking at investing in a 55lb thrust motor on a large vessel. It’s a good idea to go up from there if you’re going to move against a current or if you’re going to be out on saltwater.